從引導(dǎo)詞及其在句子中的成分上區(qū)別
有些引導(dǎo)詞如how, whether, what可以引導(dǎo)同位語從句,但不能引導(dǎo)定語從句,如:
That question whether we need it has not been considered.我們是否需要它這個問題還沒有考慮。(同位語從句)
引導(dǎo)詞that引導(dǎo)定語從句時,在從句中一般做主語或賓語(指物時還可以用which代替),并且作賓語時常常省略,that在同位語從句中僅起連接作用,不充當(dāng)任何成分,并且不能省略,也不能用which來代替,如:
The order that we should send a few people to help the other groups was received yesterday.我們應(yīng)派幾個人去幫別的幾個小組的命令昨天收到了。(同位語從句,是對order的具體解釋,that雖不作成分,但不能省略。)
The order that we received yesterday was that we should send a few people to help the other groups.我們昨天收到的命令是我們應(yīng)該派幾個人去幫助別的幾個小組。(定語從句,是名詞order的修飾語,that在從句中作received的賓語,可以省略。)
從詞類上區(qū)別
同位語從句前面的名詞只能是idea, fact, news, hope, belief, suggestion, proposal,word, thought, doubt, truth, possibility, promise, order等有一定內(nèi)涵的名詞,而定語從句的先行詞可以是名詞、代詞,主句的一部分或是整個主句,如:
The possibility that the majority of the labor force will work at home is often discussed.人們經(jīng)常討論大多數(shù)勞動力將會在家里工作的可能性。(同位語從句)
Our team has won the game, which made us very happy.我們的隊贏了,這讓我們很高興。(定語從句)
從性質(zhì)上區(qū)別
定語從句是從句對其先行詞的修飾或限制,屬于形容詞性從句的范疇;而同位語從句是從句對前面抽象名詞的進(jìn)一步的說明和解釋,屬于名詞性從句的范疇,如:
The news that our team has won the game was true.我們隊贏了那場比賽的消息是真的。(同位語從句,補(bǔ)充說明news到底是一個什么消息。)
The news that he told me yesterday was true.昨天他告訴我的那個消息是真的。(定語從句,news在從句中作told的賓語。)
這樣的話,小編大致就把區(qū)分定語從句和同位語從句區(qū)分方法跟大家介紹到了,同學(xué)們可以參考哦。英語是個知識點(diǎn)很細(xì)碎的學(xué)科,但除此之外其實(shí)只是紙老虎而已,只要努力英語都可以提高的,大家一定要認(rèn)真細(xì)心哦。
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